An Investigation Into The Use Of Electro-Mechanically Delayed Side Tone In Auditory Testing

Abstract
100 readers were recorded in two successive readings of a short prose passage. For half of the subjects one of the readings was under the condition of delayed speech side tone. Increases in reading time were positively and significantly associated with the level of the side tone. The lowest level investigated, 10 db, produces statistically significant reading delay. Employment of a combination of rate measures and observations of other effects of speech breakdown gives reliable and useful clinical information for the evaluation of suspected cases of malingering and psychogenic deafness.

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